Impeller form of centrifugal pump
2, semi open impeller refers to the impeller runner is half closed, and compared to the closed impeller, there is no front cover, suitable for conveying solids containing particles or impurities of liquid.The 3, before and after the cover is called open impeller. Suitable for conveying pulp or fibrous media.
1, closed impeller is refers to in the relatively closed, form a closed channel in the front cover and back cover and leaf. The utility model is suitable for conveying occasions where high and clean liquids are formed. Closed impeller and single suction impeller and double suction impeller two structures.
The impeller of the centrifugal pump blade, there is usually a front cover, a rear cover plate and a hub of four parts. According to the lucky edition, the impeller can be divided into closed impeller. Three kinds of structures, such as semi open impeller and open impeller.